python 斐波那契数列，查找素数，水仙花数字

def fbi(n):    '''斐波那契数列'''    if n<=2:        return 1    else:        return  fbi(n-1) + fbi(n-2)# print fbi(8)def find_prime(start_num, end_num):    '''找出start_num，与end_num之间的素数'''    def check_if_prime(num):        for i in range(2, num):            if num%i == 0:                return False        return True    for range_num in range(start_num, end_num):        if check_if_prime(range_num):            print range_num# find_prime(100, 150)def flower_num():    '''水仙花数字'''    for num in range(100, 999):        # print num/100,num/10%10,num%10        k = num/100        l = num/10%10        m = num%10        if k**3+l**3+m**3 == num:            print num# flower_num()